Home / 7,979.95-11,969.50-2,433.16

Finding the Fourth Proportional to 7,979.95, 11,969.50 and 2,433.16

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Solution

The fourth proportional to 7,979.95, 11,969.50 and 2,433.16 is: 3,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.95 : 11,969.50 = 2,433.16 : x
  2. Step 2: Convert to fraction form
    7,979.95/11,969.50 = 2,433.16/x
  3. Step 3: Cross multiply
    7,979.95x = 11,969.50 × 2,433.16
  4. Step 4: Simplify right side
    7,979.95x = 29,123,708.62
  5. Step 5: Solve for x
    x = 29,123,708.62/7,979.95
  6. Step 6: Final answer
    x = 3,649.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.